The other contributions of Alfred Blalock.
D013502:General Surgery / Q000193:education; D006439:Hemodynamics; D049673:History, 20th Century; D006801:Humans; D007396:Internship and Residency / Q000266:history; D012769:Shock / Q000266:history* / Q000503:physiopathology; D013903:Thoracic Surgery / Q000266:history*; D014481:United States